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Gluino decay as a probe of high scale supersymmetry breaking

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Abstract

A supersymmetric standard model with heavier scalar supersymmetric particles has many attractive features. If the scalar mass scale is \( \mathcal{O} \)(10−104) TeV, the standard model like Higgs boson with mass around 125 GeV, which is strongly favored by the LHC experiment, can be realized. However, in this scenario the scalar particles are too heavy to be produced at the LHC. In addition, if the scalar mass is much less than \( \mathcal{O} \)(104) TeV, the lifetime of the gluino is too short to be measured. Therefore, it is hard to probe the scalar particles at a collider. However, a detailed study of the gluino decay reveals that two body decay of the gluino carries important information on the scalar scale. In this paper, we propose a test of this scenario by measuring the decay pattern of the gluino at the LHC.

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Authors and Affiliations

  1. Department of Physics, University of Tokyo, Tokyo, 113-0033, Japan

    Ryosuke Sato & Kohsaku Tobioka

  2. Kavli Institute for the Physics and Mathematics of the Universe (WPI), Todai Institutes for Advanced Study, University of Tokyo, Kashiwa, 277-8583, Japan

    Ryosuke Sato & Kohsaku Tobioka

  3. Department of Physics, University of California, Berkeley, CA, 94720, U.S.A.

    Satoshi Shirai

  4. Theoretical Physics Group, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, U.S.A.

    Satoshi Shirai

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  1. Ryosuke Sato
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  2. Satoshi Shirai
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Correspondence to Kohsaku Tobioka.

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ArXiv ePrint: 1207.3608

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Sato, R., Shirai, S. & Tobioka, K. Gluino decay as a probe of high scale supersymmetry breaking. J. High Energ. Phys. 2012, 41 (2012). https://doi.org/10.1007/JHEP11(2012)041

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  • DOI: https://doi.org/10.1007/JHEP11(2012)041

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